<script>      
    // ES5语法对多个变量赋值   
    let x = 1;   
    let y = 2;   
    let z = 3;   
    //在ES6的语法中的数组解构赋值   
       let [x1, y1, z1] = [1, 2, 3];   
       console.log(x, xl); //1,1   
       console.log(y, y1); //2,2   
        console.log(z, zl); //3,3   
</script>